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Efficient interrogation method of forward Brillouin scattering in optical fibers using a narrow bandwidth long-period grating

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Efficient interrogation method of forward Brillouin scattering in optical fibers using a narrow bandwidth long-period grating

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dc.contributor.author	Sánchez Domínguez, Luis Alberto
dc.contributor.author	Díez Cremades, Antonio
dc.contributor.author	Cruz Muñoz, José Luis
dc.contributor.author	Andrés, Miguel V.
dc.date.accessioned	2020-09-22T06:49:05Z
dc.date.available	2020-09-22T06:49:05Z
dc.date.issued	2020	es_ES
dc.identifier.citation	L. A. Sánchez, A. Díez, J. L. Cruz, and M. V. Andrés, “Efficient interrogation method of forward Brillouin scattering in optical fibers using a narrow bandwidth long-period grating”, Optics Letters, Vol 45, pp. 5331-5334, 2020.	es_ES
dc.identifier.uri	https://hdl.handle.net/10550/75526
dc.description.abstract	A new technique for the characterization of the effective refractive index modulation in optical fibers due to transverse acoustic mode resonances excited by electrostriction is reported. Resonances excited by an optical pulse are probed by a narrow bandwidth longperiod grating (LPG) inscribed in the fiber, which is interrogated by a CW beam. The LPG used in this experiment has a narrow bandwidth and high sensitivity to small mode index perturbations, allowing the measurement of index variations from below 10-9 to 10-6. Radial and torsional-radial acoustic modes were characterized up to 1.1 GHz. The linewidth of resonances was found to be much shorter than in previous reports in which long fiber lengths are typically required, obtaining Q factors as high as 5000.	es_ES
dc.language.iso	es	es_ES
dc.subject	optical fiber	es_ES
dc.subject	long period grating	es_ES
dc.subject	brillouin scattering	es_ES
dc.subject	acoustic waves	es_ES
dc.title	Efficient interrogation method of forward Brillouin scattering in optical fibers using a narrow bandwidth long-period grating	es_ES
dc.type	journal article	es_ES
dc.subject.unesco	UNESCO::FÍSICA	es_ES
dc.identifier.doi	10.1364/OL.402783	es_ES
dc.type.hasVersion	AM	es_ES